Cassandra vs augur

Cassandra

noun
  • A person who makes dire predictions, especially those which are not believed but which turn out to be true. 

name
  • A female given name from Ancient Greek. 

  • An unincorporated community in Walker County, Georgia, United States. 

  • A prophetess who was daughter of King Priam of Troy and his queen Hecuba. She captured the eye of Apollo and was granted the ability to see the future; however, she was destined never to be believed. 

  • A small borough in Cambria County, Pennsylvania, United States. 

augur

noun
  • A diviner who foretells events by the behaviour of birds or other animals, or by signs derived from celestial phenomena, or unusual occurrences. 

  • An official who interpreted omens before the start of public events. 

verb
  • To foretell events; to exhibit signs of future events; to indicate a favorable or an unfavorable outcome. 

How often have the words Cassandra and augur occurred in a corpus of books? (source: Google Ngram Viewer )